#include<iostream>
using namespace std;
int main()
{
	int a[][3] = {{2,1},{3,4}};
	cout<<sizeof(a)<<endl;
	for(int i = 0;i<2;++i)
	{
		for(int j = 0;j<3;++j)
		cout<<a[i][j]<<" ";
		cout<<endl;
	}
	return 0;
	
}